Raessens, J., Mul, J. d., Lange, M. d., Lammes, S., & Frissen, V. (2015). Playful Identities: The Ludification of Digital Media Cultures. Amsterdam University Press.
芝加哥风格引文Raessens, Joost, Jos de Mul, Michiel de Lange, Sybille Lammes, 与 Valerie Frissen. Playful Identities: The Ludification of Digital Media Cultures. Amsterdam: Amsterdam University Press, 2015.
MLA引文Raessens, Joost, et al. Playful Identities: The Ludification of Digital Media Cultures. Amsterdam University Press, 2015.
警告：这些引文格式不一定是100％准确.